| Number | Date | Country | Kind |
|---|---|---|---|
| 2009-006769 | Mar 2009 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| D56410 | Bakstad | Oct 1920 | S |
| D256156 | Garritson | Jul 1980 | S |
| D269117 | Sherrard | May 1983 | S |
| D277404 | Peterson et al. | Jan 1985 | S |
| D314820 | Sullivan | Feb 1991 | S |
| D338713 | Cox et al. | Aug 1993 | S |
| D398393 | Horng | Sep 1998 | S |
| D418216 | Horng | Dec 1999 | S |
| D423660 | Inda | Apr 2000 | S |
| D425612 | Andersen | May 2000 | S |
| D463019 | Jones et al. | Sep 2002 | S |
| D507344 | Anderson | Jul 2005 | S |
| D557788 | Eloranta | Dec 2007 | S |